Perhaps you should try some spelling variations:
"support gvc international efforts." » "support gvc international airports.", "support gvc international energy.", "support gvc international airport.", "support g20 international efforts.", "support much international efforts.", "support save international efforts.", "support ndc international efforts.", "support agri international efforts."
"support grid conservation efforts." » "support aid conservation efforts.", "support good conservation efforts.", "support soil conservation efforts.", "support agri conservation efforts.", "support grant conservation efforts.", "support group conservation efforts."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("support grid conservation efforts.") OR ("support gvc international efforts."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"support grid conservation efforts.\") OR (\"support gvc international efforts.\"))".
• Removing quotes may allow a broader search: (( support grid conservation efforts. ) OR ( support gvc international efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("support grid conservation efforts.") OR ("support gvc international efforts."))*.